condition	mean	min	max
4 h after light	15.0493535	14.629528	15.469179
8 h after light	13.399323	13.291517	13.507129
12 h after light	12.258347	11.225177	13.291517
4 h after dark	13.120397	12.949277	13.291517
8 h after dark	13.110421	12.600934	13.619908
12 h after dark	13.291517	13.291517	13.291517